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Finding the Fourth Proportional to 297,437.83, 445,215.53 and 190,679.11

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Solution

The fourth proportional to 297,437.83, 445,215.53 and 190,679.11 is: 285,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,437.83 : 445,215.53 = 190,679.11 : x
  2. Step 2: Convert to fraction form
    297,437.83/445,215.53 = 190,679.11/x
  3. Step 3: Cross multiply
    297,437.83x = 445,215.53 × 190,679.11
  4. Step 4: Simplify right side
    297,437.83x = 84,893,300,065.18
  5. Step 5: Solve for x
    x = 84,893,300,065.18/297,437.83
  6. Step 6: Final answer
    x = 285,415.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.